Non-conducting composition for refrigerators



IUUI \JVIIII \Ivl l IVIIV EXAlriili COATING 0R PLASTIC.

d 1. (mm J. M. ORDWAY.

NON-CONDUCTING COMPOSITION FOR RBFRIGERATORS, &c.

No. 310,461. Patented Jan. 6, 1885.

SOCIAL P: lcesix f onductor of heat or sound, consisting, essen- 1. A oompositioirof inatter to form a 11011- ally, of a mixture of granulated cork, bark r pith and water-glass, shaped and dried bstantially as set forth.

2. A non-conducting coating of granulated icork, bark, or pith agglomerated by water- 'glass, in combination with a lining of fossilgneal or magnesia, as specified.

& z.- /0. fie Attorney WITNESSES %a,@, faeww 5 proved Composition of Matter to be Used as :0 ing part of this specification, in which-- plied to angular and curved surfaces.

ener of sound for filling the spaces in the walls and set in proper shape to contdrm to the 0 scribe the manner in which I have carried it ing four meshes to the square inch, though the este m-H rs :521 12322.3;5555252 5 molded mass from the mold. I then dry the of a suitable thickness and convenient size.

JOHN M. ORD\\'.XY, OF BOSTON, MASSACHUSETTS.

NON-CONDUCTING COMPClSlTION FOR REFRIGERATORS, C.

SPECIFICATION forming part of Letters Patent 110310361, dated January 6, 1885.

Application filed October 2. 1384. (So moth-l.) I

To all u-lt-om it may concern.-

Be it known that 1, JOHN M. Onnwar, of Boston, in the county of Sufl'olk and State of Massachusetts, have invented a new and Ima Non-Conductor of Heat and Sound; and I hereby declare the following to be a full, clear, and exact description of the same, reference being bad to the accompanying drawings, mak- Figure 1 illustrates my improved non-conoured together by ties of twine, wire, paper,

or cloth.

In preparing the covering to be used on high-pressure steam-pipes I prevent the alteration of the organic matter, through longcontinned heating. by t'acin the inner surface ofthe composition pipe wit 1 ossi -me-.\l or magnesia. lo accomplish this, I first mold dnctorin slabs, to be introduced into the floors the composition pipe so that the inner diameand walls of buildings, and for linings. Figs. 2 and 3 illustrate the same in forms to be apllly invention relates to the insulation of heat and sound. and has for its object to provide a non-conducting covering for refrigerators, safes, and similar uses, and also a deadand floors of buildings. v

My invention consists in a combination of: granulated cork or other barks, or of the cel f lular pith of plants, with water-glass, formed refrigerator,pipe,boiler,or wall-space to which it is to be applied.

To enable others skilled in the art to make and use my invention, I will proceed to deout.

I take fra' ments of cork. bark. or reduce t em )y cut mg or grin 111g a size that they will pass through a sieve havsize may be varied to suit the ideas and purposes of the maker without departing from the spirit of my invention. I moisten this coarse powder with somewhat more than its own mixture into molds of suitable form, raving previous y me e molds with paper to prevent adhesion and facilitate the removal of the For covering pipes I mold the mass into ter may be from one-half of an inch to an inch greater than that of the exterior of the pipe to be covered. hen the halves of the composition pipe are dry and hard, I plaster the inner surface with fossil-meal or magnesia, made into a thick paste with water, or a very dilute solution of water-glass, and shape this coating so that it will exactly fit the pipe to be covered.

I find it advantageous, sometimes, to mold the covering directly on the steam or other pipe, and thus make it whole and tight-fitting.

' For this purpose I take a wire cage consisting of wire-gauze of about eight meshes to the linear inch, bent to the form of a half-cylinder of a diameter half an inch or an inch greater than that of the pipe. I hang this cage, which may be two or three feet long, under the pipe, so that the curvature of the pipe and the curvature of the cage are paralleled. I then put into the cage a long strip of paper of a width equal to the circumference of the fossil-meal covering to be made. I then crowd the fossil-meal or magnesia pastei nto the space between the paper and the pipe, and plaster the mixture over the other or upper half of the pipe. I then bring the two edges of the paper together over the top of the paste covering, and paste a narrow strip of paper along over the junction of the two edges. The wire cage is then loosened and moved along to mold another length of the meal coating. When the fossil-meal or magnesia coating is dry, I hang on another wire-cage of proper size and lay in it a strip of cloth. I then crowd in between the cloth and the fossil-meal or magnesia coating the moist silicated composition,

- heap up the same over the top, bring up the edges of the cloth and sew them together.

The cage may then be loosened and moved I. 1. A composition of matter to form a nonalong.

I do notlimit myself to any exact proportions of vegetable matter and water-glass5 nor do I confine myself to water glass of any precise composition. It is only necessary that the silicate of potash or soda be present in sufiicient quantity to coat every particle of the vegetable matter, so as to ma 'e it uninflammable, and that the water-glass'solution be of Sn fficient strength to cause the particles to adhere in a firm solidmass when he whole is dry.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

JOHN M. ORDWAY. \Vitnesses:

HALL ADAMS, J oux H. .llooxnv. 

